1) a
2) c
#1 explanation:
x^4-20x^2=-64
x^4-20x^2+64=0
(find a number that multiplies to the last number aka 64 and adds up to b aka 20)
((x-4)(x-16))^2
x= -2,2,-4,4
same for #2 w different variable and numbers
Answer:
False
Step-by-step explanation:
Umbrellas could be used for different reasons besides rain.
Answer:
6-1/0-1=5/-1
Step-by-step explanation:
change in y over change in x gives you gradient.therefore the gradient is negative 5
<span>12/25=x/88
12(88)=25(x)
1056=25x divide both sides by 25
x=42.24</span>
